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1 : feinerer 1345 2014-04-20 Ingo Feinerer <feinerer@logic.at>
2 :    
3 :     * ChangeLog: Not maintained as a separate file anymore. Please consult
4 :     the tm Subversion log messages (available at
5 :     https://r-forge.r-project.org/scm/viewvc.php/pkg/?root=tm) instead.
6 :    
7 : feinerer 1295 2014-02-25 Ingo Feinerer <feinerer@logic.at>
8 :    
9 :     * NAMESPACE: Export pGetElem.URISource.
10 :    
11 : feinerer 1294 2014-02-23 Ingo Feinerer <feinerer@logic.at>
12 :    
13 :     * R/complete.R (stemCompletion.PlainTextDocument): Avoid spurious
14 :     duplicate results. Reported by Seong-Hyeon Kim.
15 :    
16 : feinerer 1292 2014-01-28 Ingo Feinerer <feinerer@logic.at>
17 :    
18 :     * R/utils.R (map_IETF_Snowball): Process three letter codes.
19 :    
20 : feinerer 1279 2014-01-07 Ingo Feinerer <feinerer@logic.at>
21 :    
22 :     * DESCRIPTION (Version): Prepare for CRAN New Year release.
23 :    
24 :     2014-01-05 Ingo Feinerer <feinerer@logic.at>
25 :    
26 :     * R/matrix.R (findAssocs): Allow multiple and non-existing terms.
27 :     Suggested by Christian Buchta.
28 :    
29 :     * R/source.R (is.Source): New check for valid source.
30 :    
31 :     2013-12-28 Ingo Feinerer <feinerer@logic.at>
32 :    
33 :     * R/matrix.R (findAssocs): Make corlimit inclusive.
34 :    
35 :     2013-09-27 Ingo Feinerer <feinerer@logic.at>
36 :    
37 :     * R/source.R: Allow multiple URIs for URISource.
38 :    
39 :     2013-09-19 Ingo Feinerer <feinerer@logic.at>
40 :    
41 :     * R/source.R (Source): New Source constructor.
42 :    
43 : feinerer 1252 2013-08-26 Ingo Feinerer <feinerer@logic.at>
44 :    
45 :     * R/source.R (DirSource): Report non-existent or non-readable files.
46 :     Suggested by Ajinkya Kale and Milan Bouchet-Valat.
47 :    
48 : feinerer 1242 2013-08-19 Ingo Feinerer <feinerer@logic.at>
49 :    
50 :     * R/corpus.R (setOldClass): Do not register VCorpus as S4 class
51 :     anymore.
52 :    
53 :     * R/doc.R (setOldClass): Do not register PlainTextDocument as S4 class
54 :     anymore.
55 :    
56 : feinerer 1239 2013-08-09 Ingo Feinerer <feinerer@logic.at>
57 :    
58 :     * DESCRIPTION (License): Changed to GPL-3.
59 :    
60 : feinerer 1234 2013-07-25 Ingo Feinerer <feinerer@logic.at>
61 :    
62 :     * R/complete.R (stemCompletion): Report NA instead of error when no
63 :     completion can be found by the prevalent heuristic. Suggested by Hugh
64 :     Devlin.
65 :    
66 : feinerer 1231 2013-07-10 Ingo Feinerer <feinerer@logic.at>
67 :    
68 :     * R/reader.R (readPDF): Use tm:::pdfinfo() (which needs the pdfinfo
69 :     command line tool) instead of tools:::pdf_info().
70 :    
71 : feinerer 1216 2013-04-11 Ingo Feinerer <feinerer@logic.at>
72 :    
73 :     * R/transform.R (removeWords): Use PCRE UCP to use Unicode properties
74 :     to determine character types.
75 :    
76 : feinerer 1200 2012-12-14 Ingo Feinerer <feinerer@logic.at>
77 :    
78 :     * R/matrix.R (TermDocumentMatrix): Ensure dimnames of type character
79 :     when generating a simple_triplet_matrix. Reported by Arho Suominen.
80 :    
81 : feinerer 1199 2012-12-10 Ingo Feinerer <feinerer@logic.at>
82 :    
83 :     * man/tm_reduce.Rd: Document right to left folding order. Adapt
84 :     example as well. Suggested by Mark Rosenstein.
85 :    
86 : feinerer 1196 2012-12-04 Ingo Feinerer <feinerer@logic.at>
87 :    
88 :     * R/filter.R (sFilter): Avoid attach() and simplify.
89 :    
90 : feinerer 1194 2012-11-02 Ingo Feinerer <feinerer@logic.at>
91 :    
92 :     * R/doc.R (.TextDocument): Use casts to ensure data types and to avoid
93 :     removal of attributes.
94 :    
95 : feinerer 1191 2012-10-03 Ingo Feinerer <feinerer@logic.at>
96 : feinerer 1193
97 : feinerer 1192 * R/weight.R (weightTfIdf, weightSMART): Gracefully handle empty
98 : feinerer 1191 columns and rows (avoids blow-up due to NaN values). Suggested by Jaap
99 :     Frölich.
100 :    
101 : feinerer 1188 2012-07-27 Ingo Feinerer <feinerer@logic.at>
102 :    
103 :     * R/transform.R (removeWords): Allow longer stopword lists.
104 :    
105 : feinerer 1175 2012-01-31 Ingo Feinerer <feinerer@logic.at>
106 :    
107 :     * R/reader.R (readXML): Readers can now set the document language
108 :     themselves.
109 :    
110 : feinerer 1169 2012-01-14 Ingo Feinerer <feinerer@logic.at>
111 :    
112 :     * R/source.R (XMLSource, getElem.XMLSource): Simplifications as
113 :     proposed by Milan Bouchet-Valat.
114 :    
115 : feinerer 1168 2012-01-11 Ingo Feinerer <feinerer@logic.at>
116 :    
117 :     * R/matrix.R (termFreq): Fix processing of user provided
118 :     stopwords. Reported by Bettina Grün.
119 :    
120 : feinerer 1167 2011-12-23 Ingo Feinerer <feinerer@logic.at>
121 :    
122 :     * R/matrix.R (termFreq): Fix invalid handling of
123 :     control$wordLengths[1]. Reported by Steven C. Bagley.
124 :    
125 : feinerer 1166 2011-12-17 Ingo Feinerer <feinerer@logic.at>
126 :    
127 :     * DESCRIPTION (Version): Prepare for CRAN Christmas release.
128 :    
129 : feinerer 1164 2011-12-12 Ingo Feinerer <feinerer@logic.at>
130 :    
131 :     * R/utils.R (map_IETF_Snowball): Map empty input to "porter".
132 :    
133 : feinerer 1161 2011-12-07 Ingo Feinerer <feinerer@logic.at>
134 :    
135 :     * R/transform.R (removePunctuation): Add option to preserve
136 :     intra-word dashes.
137 :    
138 : feinerer 1159 2011-12-06 Ingo Feinerer <feinerer@logic.at>
139 :    
140 :     * R/matrix.R (termFreq): Allow reordering of control option
141 :     processing.
142 :    
143 : feinerer 1151 2011-11-17 Ingo Feinerer <feinerer@logic.at>
144 :    
145 : feinerer 1155 * R/reader.R (readPDF): Use tools:::pdf_info() instead of external
146 :     pdfinfo tool.
147 :    
148 : feinerer 1153 * inst/stopwords/SMART.dat: Add SMART information retrieval system
149 :     stopwords (which are also used by the MC toolkit).
150 :    
151 : feinerer 1151 * R/matrix (termFreq): Allow local option \code{bounds$local} to
152 :     restrict how often a term may appear in each document (generalizes
153 : feinerer 1445 \code{minDocFreq}). Similarly the local option \code{wordLengths}
154 : feinerer 1151 for word length bounds (generalizes \code{minWordLength}).
155 :    
156 :     * R/matrix.R (TermDocumentMatrix.VCorpus): New global option
157 :     \code{bounds$global} for restricting how often a term is allowed
158 :     to appear in different documents.
159 :    
160 :     * R/matrix.R (TermDocumentMatrix.VCorpus): Distinguish between
161 :     local options delegated internally to termFreq() and global
162 :     options which are processed by the term-document matrix
163 :     constructor itself.
164 :    
165 : feinerer 1150 2011-11-15 Ingo Feinerer <feinerer@logic.at>
166 :    
167 :     * man/getTokenizers.Rd: Document getTokenizers().
168 :    
169 :     * man/tokenizer.Rd: Document MC_tokenizer() and scan_tokenizer().
170 :    
171 : feinerer 1149 2011-11-04 Ingo Feinerer <feinerer@logic.at>
172 :    
173 :     * man/matrix.Rd: Document as.TermDocumentMatrix.term_frequency.
174 :    
175 : feinerer 1150 * man/combine.Rd: Document c.term_frequency().
176 : feinerer 1149
177 : feinerer 1147 2011-10-11 Ingo Feinerer <feinerer@logic.at>
178 :    
179 :     * R/meta.R (`meta<-.Corpus`): Assume that the replacement value
180 :     can be accessed via '[' and not '[['.
181 :    
182 : feinerer 1139 2011-08-24 Ingo Feinerer <feinerer@logic.at>
183 :    
184 :     * R/stopwords.R (stopwords): Raise an error if no stopwords are
185 :     available for requested language. Suggested by Derek M Jones.
186 :    
187 : feinerer 1136 2011-05-27 Ingo Feinerer <feinerer@logic.at>
188 :    
189 :     * R/weight.R (weightSMART): Implement Cosine and pivoted unique
190 :     normalization.
191 :    
192 : feinerer 1121 2011-02-17 Ingo Feinerer <feinerer@logic.at>
193 :    
194 :     * R/transform.R (stemDocument.PlainTextDocument): Use language
195 :     argument.
196 :    
197 : feinerer 1117 2011-02-04 Ingo Feinerer <feinerer@logic.at>
198 :    
199 :     * R/source.R: Store strings and connections instead of unevaluated
200 :     calls.
201 :    
202 : feinerer 1114 2010-11-26 Ingo Feinerer <feinerer@logic.at>
203 :    
204 :     * R/corpus.R (Corpus): Allow init and exit hooks for readers.
205 :    
206 : feinerer 1108 2010-10-22 Ingo Feinerer <feinerer@logic.at>
207 :    
208 :     * R/matrix.R (.TermDocumentMatrix): Make Weighting an attribute
209 :     (instead of a list element).
210 :    
211 : feinerer 1102 2010-10-16 Ingo Feinerer <feinerer@logic.at>
212 :    
213 :     * R/corpus.R (`[[.VCorpus`, `[[.PCorpus'): Access individual
214 : feinerer 1108 documents by names (fallback to IDs if names are not set).
215 : feinerer 1102
216 : feinerer 1095 2010-08-25 Ingo Feinerer <feinerer@logic.at>
217 :    
218 :     * R/corpus.R (c.Corpus): When concatenating corpora, the argument
219 : feinerer 1344 \code{recursive} now determines whether existing corpus metadata
220 : feinerer 1095 is used.
221 :    
222 : feinerer 1084 2010-08-06 Ingo Feinerer <feinerer@logic.at>
223 :    
224 :     * R/transform.R: Removed convert_UTF_8(). Use enc2utf8() instead.
225 :    
226 : feinerer 1080 2010-06-17 Ingo Feinerer <feinerer@logic.at>
227 :    
228 :     * R/matrix.R (TermDocumentMatrix): If a dictionary is given do not
229 :     remove terms not occurring in the corpus anymore.
230 :    
231 : feinerer 1075 2010-06-02 Ingo Feinerer <feinerer@logic.at>
232 :    
233 :     * R/plot.R (Zipf_plot, Heaps_plot): Plotting functions for Zipf's
234 :     and Heaps' law.
235 :    
236 : feinerer 1070 2010-05-18 Ingo Feinerer <feinerer@logic.at>
237 :    
238 :     * R/corpus.R (Corpus, PCorpus): Use element names as IDs if
239 :     provided by a source.
240 :    
241 : feinerer 1063 2010-04-09 Ingo Feinerer <feinerer@logic.at>
242 :    
243 :     * R/source.R (.Source): Provide document names.
244 :    
245 : feinerer 1062 2010-04-07 Ingo Feinerer <feinerer@logic.at>
246 :    
247 :     * R/meta.R (`content_or_meta`): Utility function.
248 :    
249 : feinerer 1061 2010-03-19 Ingo Feinerer <feinerer@logic.at>
250 :    
251 :     * R/reader.R (readReut21578XML, readReut21578XMLasPlain): Extract
252 :     TOPICS, LEWISSPLIT, CGISPLIT, and OLDID meta tags.
253 :    
254 : feinerer 1048 2010-03-03 Ingo Feinerer <feinerer@logic.at>
255 :    
256 : feinerer 1051 * R/weight.R (weightTfIdf): Added normalization option.
257 :    
258 : feinerer 1048 * man/tm_tag_score.Rd: Add General Inquirer example for sentiment
259 :     analysis.
260 :    
261 : feinerer 1046 2010-02-25 Ingo Feinerer <feinerer@logic.at>
262 :    
263 :     * R/score.R (tm_tag_score): Compute a score from the number of
264 :     tags matching in a document.
265 :    
266 : feinerer 1041 2010-02-18 Ingo Feinerer <feinerer@logic.at>
267 :    
268 :     * R/complete.R (stemCompletion): New completion heuristics.
269 :    
270 :     2010-02-17 Ingo Feinerer <feinerer@logic.at>
271 :    
272 :     * R/plot.R (plot.TermDocumentMatrix): Memory improvements.
273 :    
274 : feinerer 1040 2010-02-06 Ingo Feinerer <feinerer@logic.at>
275 :    
276 :     * DESCRIPTION (Depends): Depend on R (>= 2.10.0) to ensure that
277 :     setOldClass(c(..., "list")) works.
278 :    
279 : feinerer 1039 2010-01-22 Ingo Feinerer <feinerer@logic.at>
280 :    
281 :     * R/transform.R (stemDocument.character): In case input is a
282 :     simple character just delegate to the default Snowball stemmer.
283 :    
284 : feinerer 1038 2010-01-15 Ingo Feinerer <feinerer@logic.at>
285 :    
286 :     * R/reader.R (readReut21578XML, readRCV1): Extract more meta
287 :     data.
288 :    
289 : feinerer 1034 2010-01-12 Ingo Feinerer <feinerer@logic.at>
290 :    
291 :     * R/doc.R (`Content<-`): Be careful with names attribute.
292 :    
293 : stefan7th 1032 2010-01-07 Stefan Theussl <stefan.theussl@wu.ac.at>
294 :    
295 :     * R/source.R (DirSource): Improved implementation especially when
296 : feinerer 1042 handling many (> 1M) files.
297 : stefan7th 1032
298 : feinerer 1029 2009-12-22 Ingo Feinerer <feinerer@logic.at>
299 :    
300 :     * R/source.R (getElem.URISource): Use encoding argument.
301 :    
302 : feinerer 1025 2009-12-11 Ingo Feinerer <feinerer@logic.at>
303 :    
304 :     * R/doc.R (setOldClass): Register S3 document classes to be
305 :     recognized by S4 methods.
306 :    
307 : feinerer 1023 2009-11-25 Ingo Feinerer <feinerer@logic.at>
308 :    
309 :     * R/matrix.R (termFreq): Add option to remove punctuation
310 :     characters.
311 :    
312 : feinerer 1022 2009-11-19 Ingo Feinerer <feinerer@logic.at>
313 :    
314 :     * R/matrix.R (c.TermDocumentMatrix): Added combine method for
315 :     merging multiple term-document matrices.
316 :    
317 : feinerer 1020 2009-11-17 Ingo Feinerer <feinerer@logic.at>
318 :    
319 : feinerer 1021 * R/corpus.R (setOldClass): Register S3 corpus classes to be
320 :     recognized by S4 methods.
321 :    
322 : feinerer 1020 * man/plot.Rd: Use \dontrun{} in \examples{} section in the hope
323 :     that CRAN Mac OS X builds do not fail any longer.
324 :    
325 : feinerer 1019 2009-11-15 Ingo Feinerer <feinerer@logic.at>
326 :    
327 :     * R/matrix.R (tokenize): Use scan(..., what = "character") instead
328 :     of RWeka:AlphabeticTokenizer() as default.
329 :    
330 : feinerer 1018 2009-11-14 Ingo Feinerer <feinerer@logic.at>
331 :    
332 :     * R/transform.R (removeWords.PlainTextDocument): Fix bug which
333 :     caused words at the beginning or the end of a line not to be removed. Do
334 :     not delete whitespace anymore.
335 :    
336 : feinerer 1017 2009-11-12 Ingo Feinerer <feinerer@logic.at>
337 :    
338 :     * R/source.R (DirSource): Default to working directory if no path
339 :     is specified.
340 :    
341 :     2009-11-11 Ingo Feinerer <feinerer@logic.at>
342 :    
343 :     * R/source.R (DirSource): Stop on empty directories.
344 :    
345 : feinerer 1015 2009-11-07 Ingo Feinerer <feinerer@logic.at>
346 :    
347 :     * R/matrix.R (TermDocumentMatrix): Avoid prefixes originating from
348 :     named documents.
349 :    
350 : feinerer 1013 2009-10-21 Ingo Feinerer <feinerer@logic.at>
351 :    
352 :     * R/transform.R (removeWords): Improve regular expressions.
353 :    
354 : feinerer 1011 2009-10-19 Ingo Feinerer <feinerer@logic.at>
355 :    
356 :     * R/meta.R (DublinCore): Allow lower case tags.
357 :    
358 : feinerer 1010 2009-10-09 Ingo Feinerer <feinerer@logic.at>
359 :    
360 :     * R/source.R (GmaneSource, ReutersSource): Use xmlChildren(x)
361 :     instead of x$children.
362 :    
363 : feinerer 1007 2009-09-15 Ingo Feinerer <feinerer@logic.at>
364 :    
365 :     * R/preprocess.R (preprocessReut21578XML): Fix generated file names.
366 :    
367 : feinerer 993 2009-09-06 Ingo Feinerer <feinerer@logic.at>
368 :    
369 :     * R/: Use S3 instead of S4 class system.
370 :    
371 : feinerer 982 2009-08-11 Ingo Feinerer <feinerer@logic.at>
372 :    
373 :     * R/reader.R (readMail): Moved to tm.plugin.mail package.
374 :    
375 : feinerer 973 2009-07-04 Ingo Feinerer <feinerer@logic.at>
376 :    
377 :     * R/reader.R (readNewsgroup): Rename to readMail as newsgroup
378 :     postings are basically e-mails with some extra headers.
379 :    
380 : feinerer 972 2009-07-03 Ingo Feinerer <feinerer@logic.at>
381 :    
382 : feinerer 981 * R/transform.R: Move convertMboxEml, removeCitation,
383 :     removeMultipart, and removeSignature to the tm.plugin.mail package
384 :     since they are mainly utility functions (for handling e-mails) and
385 :     not very framework specific.
386 : feinerer 972
387 : feinerer 962 2009-06-28 Ingo Feinerer <feinerer@logic.at>
388 :    
389 :     * man/: Fix documentation.
390 :    
391 : feinerer 960 2009-06-26 Ingo Feinerer <feinerer@logic.at>
392 :    
393 :     * R/reader.R (readReut21578XMLasPlain): New reader which returns a
394 :     plain text document instead of an XML document for texts of the
395 :     Reuters-21578 dataset.
396 :    
397 :     * R/sparse.R: Removed since the slam package is now available on
398 :     CRAN.
399 :    
400 :     * DESCRIPTION (Depends): Add slam package.
401 :    
402 : feinerer 959 2009-06-17 Ingo Feinerer <feinerer@logic.at>
403 :    
404 :     * R/transform.R (stemDoc): Fix character(0) handling.
405 :    
406 : feinerer 957 2009-06-12 Ingo Feinerer <feinerer@logic.at>
407 :    
408 :     * R/doc.R (show): Pretty print.
409 :    
410 : feinerer 954 2009-05-27 Ingo Feinerer <feinerer@logic.at>
411 :    
412 :     * R/matrix.R (print.TermDocumentMatrix): Handle empty matrices
413 :     gracefully.
414 :    
415 : feinerer 946 2009-05-13 Ingo Feinerer <feinerer@logic.at>
416 :    
417 :     * R/corpus.R: Make corpus virtual. Implement corpus with standard
418 :     and permanent storage semantics.
419 :    
420 :     * DESCRIPTION: New major release. A *lot* of improvements.
421 :    
422 : feinerer 945 2009-05-04 Ingo Feinerer <feinerer@logic.at>
423 :    
424 :     * NAMESPACE: Export some simple_triplet_matrix functions.
425 :    
426 : feinerer 942 2009-04-28 Ingo Feinerer <feinerer@logic.at>
427 :    
428 :     * R/weight.R: Adapt tf-idf to new matrix format.
429 :    
430 : feinerer 941 2009-04-27 Ingo Feinerer <feinerer@logic.at>
431 :    
432 :     * R/matrix.R: Create two distinct classes for term-document and
433 :     document-term matrices.
434 :    
435 : feinerer 938 2009-04-26 Ingo Feinerer <feinerer@logic.at>
436 :    
437 : feinerer 939 * R/termdocmatrix.R: No longer use Matrix package. This reduces
438 :     package start-up time significantly.
439 : feinerer 938
440 : feinerer 930 2009-04-11 Ingo Feinerer <feinerer@logic.at>
441 :    
442 :     * inst/doc/tm.Rnw: Fix code/documentation mismatch.
443 :    
444 : feinerer 926 2009-04-04 Ingo Feinerer <feinerer@logic.at>
445 :    
446 :     * R/transform.R (tmReduce): Combine multiple maps into one
447 :     transformation.
448 :    
449 : feinerer 923 2009-04-03 Ingo Feinerer <feinerer@logic.at>
450 :    
451 : feinerer 924 * R/weight.R: Remove weightLogical since it does not return a
452 :     dgCMatrix.
453 :    
454 : feinerer 925 * R/termdocmatrix.R: Removed TermDocMatrix. Use DocumentTermMatrix
455 :     or TermDocumentMatrix instead.
456 : feinerer 923
457 : feinerer 919 2009-03-28 Ingo Feinerer <feinerer@logic.at>
458 :    
459 :     * inst/doc/extensions.Rnw: Finished vignette.
460 :    
461 : feinerer 918 2009-03-27 Ingo Feinerer <feinerer@logic.at>
462 :    
463 :     * R/termdocmatrix.R: Start to work on new TermDocumentMatrix and
464 :     DocumentTermMatrix representations.
465 :    
466 : feinerer 912 2009-03-23 Ingo Feinerer <feinerer@logic.at>
467 :    
468 :     * R/reader.R (readXML): New reader for arbitrary XML files.
469 :    
470 : feinerer 909 2009-03-22 Ingo Feinerer <feinerer@logic.at>
471 :    
472 : feinerer 910 * R/source.R (CSVSource): Defunct (use DataframeSource instead).
473 : feinerer 911 (XMLSource): New XMLSource class for arbitrary XML files.
474 :     (Source): New slot Vectorized.
475 : feinerer 910
476 : feinerer 904 2009-03-21 Ingo Feinerer <feinerer@logic.at>
477 :    
478 : feinerer 939 * R/reader.R (readTabular): Experimental reader for tabular data
479 :     structures which can be customized via user-defined mappings.
480 : feinerer 908
481 : feinerer 905 * R/reader.R: Always use UTC time zone.
482 :    
483 : feinerer 904 * R/AAA.R (.onLoad): No longer try to start a MPI cluster.
484 :    
485 : feinerer 903 2009-03-20 Ingo Feinerer <feinerer@logic.at>
486 :    
487 :     * R/reader.R (readDOC): Options can be passed over to antiword.
488 :    
489 :     * R/reader.R (readPDF): Options can be passed over to pdfinfo and
490 :     pdftotext.
491 :    
492 : feinerer 895 2009-03-10 Ingo Feinerer <feinerer@logic.at>
493 :    
494 :     * R/source.R (DirSource): Add pattern and ignore.case arguments
495 :     which are internally passed over to list.files().
496 :    
497 : feinerer 893 2009-03-02 Ingo Feinerer <feinerer@logic.at>
498 :    
499 :     * inst/doc/tm.Rnw: Suppress pointless loading message.
500 :    
501 : feinerer 886 2009-01-29 Ingo Feinerer <feinerer@logic.at>
502 :    
503 :     * DESCRIPTION: Speed up package loading (via moving packages not
504 :     strictly necessary for normal operation to Suggests instead of
505 :     Depends).
506 :    
507 : feinerer 882 2009-01-08 Ingo Feinerer <feinerer@logic.at>
508 :    
509 :     * R/reader.R (readNewsgroup): The date format is now configurable.
510 :    
511 : feinerer 881 2008-12-20 Ingo Feinerer <feinerer@logic.at>
512 :    
513 :     * R/preprocess.R (convertMboxEml): Fix off-by-one error.
514 :    
515 : feinerer 877 2008-12-16 Ingo Feinerer <feinerer@logic.at>
516 :    
517 :     * R/termdocmatrix.R (TermDocMatrix): Sort row indices.
518 :    
519 : feinerer 875 2008-12-06 Ingo Feinerer <feinerer@logic.at>
520 :    
521 : feinerer 876 * R/source.R (DataframeSource): New source class for data frames.
522 :    
523 : feinerer 875 * R/source.R: Fixed non-standard call evaluation.
524 :    
525 : feinerer 874 2008-11-29 Ingo Feinerer <feinerer@logic.at>
526 :    
527 :     * R/source.R (URISource): New source class for a single document.
528 :    
529 : feinerer 873 2008-11-27 Ingo Feinerer <feinerer@logic.at>
530 :    
531 :     * R/source.R: Refactoring.
532 :    
533 : feinerer 872 2008-11-25 Ingo Feinerer <feinerer@logic.at>
534 :    
535 :     * R/AAA.R (.onLoad, .Last): Use tryCatch() to handle misconfigured
536 :     Rmpi installations more gracefully.
537 :    
538 : feinerer 869 2008-11-08 Ingo Feinerer <feinerer@logic.at>
539 :    
540 :     * R/source.R (Source): Add Length slot.
541 :    
542 :     2008-11-06 Ingo Feinerer <feinerer@logic.at>
543 :    
544 :     * R/AAA.R: Unify duplicated .onLoad function.
545 :    
546 : feinerer 868 2008-11-03 Ingo Feinerer <feinerer@logic.at>
547 :    
548 :     * DESCRIPTION (Suggests): Added Rmpi.
549 :    
550 : feinerer 866 2008-11-02 Ingo Feinerer <feinerer@logic.at>
551 :    
552 :     * R/source.R (getElem): Fix 'no visible binding' warning.
553 :    
554 :     * man/WeightFunction.Rd: Fix signature.
555 :    
556 : feinerer 865 2008-08-03 Ingo Feinerer <feinerer@logic.at>
557 :    
558 :     * R/weight.R: Introduce name abbreviations for weighting functions.
559 :    
560 : feinerer 861 2008-07-24 Ingo Feinerer <feinerer@logic.at>
561 :    
562 :     * R/AAA.R (.onLoad, .Last): Start and stop MPI cluster.
563 :    
564 :     * R/cluster.R: Provide convenience functions for using a MPI
565 :     cluster.
566 :    
567 :     * R/termdocmatrix.R (TermDocMatrix): Use MPI cluster if
568 :     available.
569 :    
570 :     * R/textdoccol.R (tmIndex, tmFilter, tmMap): Use MPI cluster if
571 :     available.
572 :    
573 : feinerer 860 2008-07-17 Ingo Feinerer <feinerer@logic.at>
574 :    
575 :     * R/textdoccol.R (lapply): Removed debug print out.
576 :    
577 : feinerer 856 2008-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
578 :    
579 : feinerer 1344 * R/reader.R (readRCV1): Improved metadata extraction from
580 : feinerer 856 Reuters Corpus Volume 1 documents.
581 :    
582 : feinerer 855 2008-05-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
583 :    
584 :     * R/transform.R: Ensure that all mappings preserve multiline
585 :     structures.
586 :    
587 : feinerer 854 2008-05-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
588 :    
589 :     * R/filter.R: Every filter has now an attribute indicating whether
590 :     it sould be applied to document level (doclevel).
591 :    
592 :     * R/textdoccol.R (tmFilter): Set searchFullText as new default
593 :     filter.
594 :    
595 : feinerer 838 2008-04-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
596 :    
597 :     * R/transform.R (replacePatterns): Replaced removeWords by
598 :     replacePatterns. Suggested by Christian Buchta.
599 :    
600 :     * R/textdoccol.R (inspect): Improved formatting.
601 :    
602 : feinerer 836 2008-04-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
603 :    
604 :     * inst/CITATION: Updated JSS article information.
605 :    
606 :     * R/textdoccol.R (setAs): Added coerce method from list to
607 :     corpus.
608 :    
609 : feinerer 1344 * R/meta.R (meta): Improved metadata handling.
610 : feinerer 836
611 : feinerer 833 2008-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
612 :    
613 :     * R/textdoccol.R (materialize, tmMap): Improvements suggested by
614 :     Christian Buchta.
615 :    
616 :     * inst/CITATION: Added template to include JSS article reference.
617 :    
618 : feinerer 831 2008-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
619 :    
620 :     * R/textdoccol.R (tmMap): Introduced lazy mapping.
621 :    
622 : feinerer 832 * R/source.R: Added VectorSource.
623 :    
624 : feinerer 825 2008-02-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
625 :    
626 :     * man/: Language codes should be in ISO 639-1 format.
627 :    
628 : feinerer 1344 * R/textdoccol.R (asPlain): Preserve local metadata.
629 : feinerer 826
630 : feinerer 819 2008-01-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
631 :    
632 :     * R/textdoccol.R (writeCorpus): Function for writing a corpus
633 :     containing plain text documents to disk.
634 :    
635 : feinerer 817 2008-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
636 :    
637 :     * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
638 :     always set correctly.
639 :    
640 :     * R/textdoccol.R: Set load = TRUE as default for load on demand
641 :     since in most cases this is the wanted behaviour.
642 :    
643 : feinerer 816 2008-01-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
644 :    
645 :     * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
646 :    
647 :     * DESCRIPTION: Updated Version to 0.3 due to core name changes.
648 :    
649 : feinerer 813 2008-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
650 :    
651 : feinerer 1344 * R/meta.R (meta): New function for consistent access to metadata
652 : feinerer 813 of document collections, repositories, and texts.
653 :    
654 : feinerer 810 2008-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
655 :    
656 :     * R/: Better support for encodings.
657 :    
658 : feinerer 808 2008-01-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
659 :    
660 :     * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
661 :     selection when no reader argument is given.
662 :    
663 : feinerer 807 2008-01-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
664 :    
665 :     * R/source.R (CSVSource): Now uses read.csv instead of scan
666 :     internally.
667 :    
668 : feinerer 806 2008-01-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
669 :    
670 :     * R/reader.R (getReaders): Returns available reader functions.
671 :    
672 :     * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
673 :     as default.
674 :    
675 : feinerer 802 2007-12-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
676 :    
677 :     * R/stopwords.R (stopwords): Shortened code, removed codetools
678 :     variable warnings.
679 :    
680 :     * man/: Documentation for showMeta, added an example for tmMap.
681 :    
682 :     * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
683 :     some minor typos fixed.
684 :    
685 : feinerer 801 2007-12-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
686 :    
687 :     * R/aobjects.R (showMeta): Added method for pretty printing a
688 : feinerer 1344 text document's metadata.
689 : feinerer 801
690 : feinerer 799 2007-11-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
691 :    
692 :     * R/textdoccol.R (TextDocCol): Better handling of empty
693 :     arguments.
694 :    
695 :     * NAMESPACE: Exported readDOC.
696 :    
697 : feinerer 800 * man/completeStems.Rd: Added an example.
698 :    
699 : feinerer 797 2007-11-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
700 : feinerer 796
701 : feinerer 797 * R/stopwords.R (stopwords): Look up .dat files at every
702 :     call. Allows users to modify stopword .dat files interactively.
703 :    
704 :     2007-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
705 :    
706 : feinerer 796 * R/termdocmatrix.R (termFreq): Correct processing of empty
707 :     documents.
708 :    
709 : feinerer 795 2007-10-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
710 :    
711 :     * man/: Updated documentation.
712 :    
713 : feinerer 790 2007-10-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
714 :    
715 : feinerer 793 * R/complete.R (completeStems): Completes (heuristically) word
716 :     stems.
717 :    
718 : feinerer 790 * R/termdocmatrix.R (TermDocMatrix2): New modular
719 :     constructor.
720 :    
721 :     * NAMESPACE: Exported termFreq.
722 :    
723 : feinerer 789 2007-10-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
724 :    
725 :     * R/reader.R (readDOC): Added MS Word reader (using antiword).
726 :    
727 : feinerer 788 2007-10-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
728 :    
729 :     * R/weight.R: Weighting functions for TermDocMatrix.
730 :    
731 : feinerer 785 2007-10-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
732 :    
733 :     * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
734 :     functions for accessing dimension, column, and row names.
735 :    
736 :     * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
737 :    
738 : feinerer 779 2007-09-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
739 :    
740 :     * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
741 :    
742 : feinerer 777 2007-08-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
743 :    
744 :     * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
745 :    
746 : feinerer 776 2007-07-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
747 :    
748 :     * R/reader.R (readPDF): Removed manual checks for pdftotext and
749 :     pdfinfo. The system call gives a warning anyway.
750 :    
751 : feinerer 775 2007-07-28 Ingo Feinerer <h0125130@wu-wien.ac.at>
752 :    
753 :     * R/textdoccol.R (asPlain): Conversion from
754 :     StructuredTextDocuments to PlainTextDocuments.
755 :    
756 : feinerer 773 2007-07-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
757 :    
758 : feinerer 774 * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
759 :     for accessing term-document matrices.
760 :    
761 : feinerer 773 * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
762 :     are installed.
763 :    
764 : feinerer 770 2007-07-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
765 :    
766 :     * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
767 :     Christian Buchta.
768 :    
769 : feinerer 768 2007-07-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
770 :    
771 :     * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
772 :    
773 : feinerer 766 2007-07-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
774 :    
775 : feinerer 767 * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
776 :    
777 : feinerer 766 * R/reader.R (readPDF): Added PDF reader.
778 :    
779 : feinerer 765 2007-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
780 :    
781 :     * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
782 :    
783 :     * inst/stopwords/english.dat: Added the term "yes" to stopwords.
784 :    
785 :     * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
786 :    
787 :     * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
788 :    
789 : feinerer 763 2007-07-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
790 :    
791 :     * R/distmeasure.R (dissimilarity): Replaced dists call from
792 :     package cba by new dist call from package proxy.
793 :    
794 : feinerer 761 2007-07-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
795 :    
796 :     * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
797 :    
798 : feinerer 760 2007-06-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
799 :    
800 :     * R/termdocmatrix.R: require() uses the quietly option to suppress
801 :     loading messages.
802 :    
803 : feinerer 758 2007-06-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
804 :    
805 :     * R/dictionary.R: Added dictionary support.
806 :    
807 : feinerer 757 2007-06-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
808 :    
809 :     * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
810 :     documents. This simplifies some functions, e.g., asPlain.
811 :    
812 : feinerer 756 2007-06-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
813 :    
814 :     * inst/doc/tm.Rnw: Fixed some typos in vignette.
815 :    
816 : feinerer 755 2007-06-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
817 :    
818 :     * R/textdoccol.R (replaceWords): Added method to replace a set of
819 :     words by a single word. Useful for synonyms.
820 :    
821 : feinerer 754 2007-05-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
822 :    
823 :     * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
824 :    
825 : feinerer 752 2007-05-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
826 :    
827 :     * R/termdocmatrix.R (textvector): Small fix for dealing with empty
828 :     vectors. Thanks to Ariel Maguyon for his error report.
829 :     (removeSparseTerms): New function to remove columns from a
830 :     term-document matrix exceeding a sparse factor.
831 :    
832 : feinerer 751 2007-05-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
833 :    
834 :     * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
835 :    
836 : feinerer 750 2007-05-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
837 :    
838 :     * man/sFilter.Rd: Corrected documentation on statement format (use
839 :     '==' instead of '=').
840 :    
841 : feinerer 749 2007-05-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
842 :    
843 :     * R/aobjects.R (StructuredTextDocument): Inherits from
844 :     TextDocument.
845 :    
846 : feinerer 748 2007-05-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
847 :    
848 :     * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
849 :     on sparse matrices as proposed by Martin Maechler.
850 :    
851 : feinerer 747 2007-04-27 Ingo Feinerer <h0125130@wu-wien.ac.at>
852 :    
853 :     * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
854 :     \pkg{filehash} version makes them deprecated.
855 :    
856 : feinerer 744 2007-04-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
857 :    
858 :     * R/termdocmatrix.R (textvector): Stemming is now performed before
859 :     erasing stopwords.
860 :     (weightMatrix): Adapted to handle sparse matrices.
861 :     (TermDocMatrix): Sparse matrix is now efficiently built by
862 :     direct stepwise insertion of row values into it.
863 :    
864 : feinerer 741 2007-04-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
865 :    
866 :     * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
867 :     due to ongoing problems. For our purposes the latter is as useful
868 :     as the replaced package.
869 :    
870 : feinerer 738 2007-04-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
871 :    
872 :     * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
873 :    
874 :     * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
875 :    
876 : feinerer 737 2007-04-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
877 :    
878 :     * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
879 :     languages with available stopwords.
880 :    
881 : feinerer 736 2007-04-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
882 :    
883 :     * inst/doc/tm.Rnw: Minor corrections in the vignette.
884 :    
885 : feinerer 731 2007-04-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
886 :    
887 : feinerer 732 * DESCRIPTION: Update to version 0.2, since a lot of new features
888 :     have been integrated.
889 : feinerer 731
890 : feinerer 732 * inst/stopwords: Updated existing stopwords and added stopwords
891 :     for various other languages.
892 :    
893 : feinerer 729 2007-04-10 Ingo Feinerer <h0125130@wu-wien.ac.at>
894 :    
895 : feinerer 730 * man/: Updated documentation.
896 :    
897 : feinerer 729 * Work/testDb.R: Script to test database stuff.
898 :    
899 :     * R/: Fixed various database related bugs. Seems to be rather
900 :     useable now, i.e., consider as alpha status for now.
901 :    
902 : feinerer 727 2007-04-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
903 :    
904 :     * R/: Fixed some bugs related to database support.
905 :    
906 : feinerer 726 2007-04-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
907 :    
908 :     * man/: Added a lot of examples to the manuals.
909 :    
910 : feinerer 725 2007-04-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
911 :    
912 :     * man/: Updated parts of the documentation.
913 :    
914 :     * R/textdoccol.R (asPlain): Added conversion from newsgroup
915 :     documents to plain text documents.
916 :    
917 : feinerer 722 2007-04-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
918 :    
919 : feinerer 724 * R/textdoccol.R: Finished experimental database support. Not yet
920 :     intensively tested.
921 :    
922 : feinerer 723 * R/source.R: Now each source has a default reader.
923 :    
924 : feinerer 722 * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
925 :     class anymore.
926 :    
927 :     * R/plaintextdoc.R: Custom show method for plain text documents.
928 :    
929 :     * R/aobjects.R: Added a class for structured text documents.
930 :    
931 :     * R/reader.R: Replaced remaining \code{parser} occurrences with
932 :     \code{reader}.
933 :    
934 :     * R/textdoccol.R (summary): Indent tags.
935 :    
936 : feinerer 725 * R/textdoccol.R (removePunctuation): Transform method to remove
937 : feinerer 722 punctuation marks.
938 :    
939 : feinerer 721 2007-03-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
940 :    
941 :     * R/textdoccol.R (sFilter): Simplified sFilter significantly by
942 :     using prescindMeta().
943 :    
944 : feinerer 719 2007-03-18 Ingo Feinerer <h0125130@wu-wien.ac.at>
945 :    
946 :     * R/textdoccol.R: Improved database support.
947 :    
948 : feinerer 717 2007-03-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
949 :    
950 : feinerer 718 * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
951 :    
952 : feinerer 717 * R/resolve.R (resolveISOcode): Extracts the language from a ISO
953 :     language code.
954 :    
955 :     * R/textdoccol.R (TextDocCol): Refactored several parser arguments
956 :     into parserControl argument.
957 :    
958 :     * R/aobjects.R (TextDocument): Introduced the "Language" slot.
959 :    
960 : feinerer 713 2007-03-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
961 :    
962 : feinerer 715 * Work/tmDataSetup.R: The datasets acq and crude can now be
963 :     created on the fly.
964 :    
965 : feinerer 713 * R/stopwords.R: Introduced a function returning the stopwords for
966 :     a given language (English, German and French at the moment)
967 :    
968 :     * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
969 :     otherwise falls back to Snowball package.
970 :    
971 : feinerer 711 2007-01-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
972 :    
973 :     * man/dissimilarity-methods.Rd: Make clear that any method offered
974 :     by "dists" from package "cba" can be used.
975 :    
976 : feinerer 708 2007-01-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
977 :    
978 : feinerer 710 * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
979 :     to Kurt's latex suggestion. Removed points and underscores in
980 :     variable names for consistent naming.
981 :    
982 : feinerer 708 * DESCRIPTION: Update to version 0.1-2.
983 :    
984 :     * man/TextRepository.Rd: Fixed bug in documentation.
985 :    
986 : feinerer 704 2007-01-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
987 :    
988 :     * DESCRIPTION: Update to version 0.1-1.
989 :    
990 : feinerer 702 2007-01-09 Ingo Feinerer <h0125130@wu-wien.ac.at>
991 :    
992 :     * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
993 :     wordStem.
994 :    
995 : feinerer 698 2007-01-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
996 :    
997 :     * R/: Changes due to Kurt's review.
998 :    
999 : feinerer 694 2006-12-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
1000 :    
1001 :     * R/: Implemented improvements based upon comments by David
1002 :     Meyer.
1003 :    
1004 : feinerer 691 2006-12-17 Ingo Feinerer <h0125130@wu-wien.ac.at>
1005 :    
1006 :     * inst/doc/: Rewrote vignette.
1007 :    
1008 :     * man/: Improved documentation.
1009 :    
1010 : feinerer 690 2006-12-16 Ingo Feinerer <h0125130@wu-wien.ac.at>
1011 :    
1012 :     * man/: Updated documentation.
1013 :    
1014 :     * DESCRIPTION: Changed package name to "tm". Updated version to
1015 :     0.1 for first CRAN release.
1016 :    
1017 :     * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
1018 :     list archive example.
1019 :    
1020 :     * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
1021 :     archive example.
1022 :    
1023 :     * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
1024 :     from (several mails per box) mbox format to (single mail per file)
1025 :     eml format.
1026 :    
1027 : feinerer 689 2006-12-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
1028 :    
1029 :     * data/crude.rda: Rebuilt.
1030 :    
1031 :     * data/acq.rda: Rebuilt.
1032 :    
1033 :     * R/reader.R: Factored out reader and parser methods from
1034 :     textdoccol.R.
1035 :    
1036 :     * R/source.R: Factored out Source methods from aobjects.R and
1037 :     textdoccol.R.
1038 :     (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
1039 :     feeds.
1040 :    
1041 :     * R/textdoccol.R (DirSource): Added support for recursive
1042 :     traversal of directories.
1043 :    
1044 :     2006-12-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1045 :    
1046 :     * R/textdoccol.R ([[): Loads the document corpus automatically
1047 :     into memory upon access.
1048 :     (tm_transform, tm_filter): Removed several checks whether the
1049 :     document is already loaded ([[ ensures this now).
1050 :     (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
1051 :     mailing list archive.
1052 :    
1053 :     2006-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1054 :    
1055 :     * R/aobjects.R (TextDocument): Is now a virtual class.
1056 :     (Source): Is now a virtual class.
1057 :    
1058 :     2006-12-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1059 :    
1060 :     * R/textdoccol.R (c): Support for an arbitrary number of document
1061 :     collections.
1062 :    
1063 : feinerer 77 2006-11-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1064 :    
1065 :     * R/textrepo.R: Updated TextRepository (constructor), append_elem,
1066 :     append_meta and remove_meta.
1067 :    
1068 :     * R/textdoccol.R: Removed modify_metadata method.
1069 :    
1070 :     * R/textrepo.R: Removed modify_metadata method.
1071 :    
1072 :     * R/textdoccol.R (remove_meta): Supports removal of document
1073 :     collection metadata and document (= in data frame) metadata.
1074 :    
1075 : feinerer 76 2006-11-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
1076 :    
1077 :     * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
1078 :    
1079 :     * data/crude.rda: Rebuilt.
1080 :    
1081 :     * data/acq.rda: Rebuilt.
1082 :    
1083 :     * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
1084 :    
1085 :     * R/textdoccol.R ([): Bug fix for subsetting a document
1086 :     collection's data frame.
1087 :    
1088 : feinerer 75 2006-11-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1089 :    
1090 :     * R/textdoccol.R: Bug fixes in s_filter. Added full query support
1091 :     to s_filter.
1092 :    
1093 :     * R/textdoccol.R: Local text documents' metadata can now be copied
1094 :     to a document collection's data frame with prescind_meta.
1095 :    
1096 : feinerer 73 2006-11-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1097 :    
1098 : feinerer 74 * R/: Text documents' slot metadata is now accessible in s_filter.
1099 :    
1100 : feinerer 73 * R/: Rewrote s_filter function (has still some restrictions).
1101 :    
1102 : feinerer 72 2006-11-20 Ingo Feinerer <h0125130@wu-wien.ac.at>
1103 :    
1104 :     * R/: Various fixes in handling metadata.
1105 :    
1106 :     * R/: Added update mechanism for text document collections.
1107 :    
1108 : feinerer 71 2006-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1109 :    
1110 :     * R/: Merging of document collections now creates a binary tree
1111 :     for reconstructing merged document collections.
1112 :    
1113 :     * R/: Redesign of metadata for document collections.
1114 :    
1115 : feinerer 70 2006-11-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1116 :    
1117 :     * R/: Messages now use \code{ngettext}.
1118 :    
1119 : feinerer 69 2006-11-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1120 :    
1121 :     * R/: Added functions for modifying and removing metadata.
1122 :    
1123 : feinerer 67 2006-11-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1124 :    
1125 :     * man/: Updated some documentation.
1126 :    
1127 :     * R/: Corrected some connection issues.
1128 :    
1129 :     * inst/doc: Worked on the vignette.
1130 :    
1131 : feinerer 65 2006-10-31 Ingo Feinerer <h0125130@wu-wien.ac.at>
1132 :    
1133 : feinerer 66 * inst/: Added texts and started vignette.
1134 :    
1135 : feinerer 65 * R/: Final changes based upon David's comments.
1136 :    
1137 : feinerer 64 2006-10-29 Ingo Feinerer <h0125130@wu-wien.ac.at>
1138 :    
1139 :     * NAMESPACE: Corrected exports (generic methods need exportMethods
1140 :     directives!).
1141 :    
1142 : feinerer 63 2006-10-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1143 :    
1144 :     * R/: Modified the TextDocCol constructur and various parsers. It
1145 :     is now modular and supports various file formats via plugins (see
1146 :     the new "Source" class).
1147 :    
1148 : feinerer 62 2006-10-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1149 :    
1150 :     * man/: Revised documentation after previous code changes.
1151 :    
1152 : feinerer 61 2006-10-23 Ingo Feinerer <h0125130@wu-wien.ac.at>
1153 :    
1154 :     * R/: Remaining changes as discussed with David.
1155 :    
1156 : feinerer 60 2006-10-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1157 :    
1158 :     * R/: Some changes as suggested by David. The rest will follow
1159 :     within the next days.
1160 :    
1161 : feinerer 59 2006-09-26 Ingo Feinerer <h0125130@wu-wien.ac.at>
1162 :    
1163 :     * man/: Finished documentation.
1164 :    
1165 : feinerer 58 2006-09-25 Ingo Feinerer <h0125130@wu-wien.ac.at>
1166 :    
1167 :     * man/: Wrote some documentation.
1168 :    
1169 : feinerer 56 2006-09-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1170 :    
1171 :     * R/: Further syntactic sugar in form of additional assignment and
1172 :     accessor methods.
1173 :    
1174 : feinerer 54 2006-09-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1175 :    
1176 :     * R/: Syntactic sugar in form of "length", "show" and "summary"
1177 : feinerer 56 operators.
1178 : feinerer 54
1179 : feinerer 53 2006-08-24 Ingo Feinerer <h0125130@wu-wien.ac.at>
1180 :    
1181 :     * R/: Diverse updates. Mainly on default operators ("[" or "c")
1182 :     and dissimilarities.
1183 :    
1184 : feinerer 52 2006-08-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1185 :    
1186 :     * R/: Added similarity functions.
1187 :    
1188 :     * data/: Added english stopwords.
1189 :    
1190 : feinerer 50 2006-08-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1191 :    
1192 : feinerer 51 * data/: Examples compiled for new features
1193 :    
1194 :     * R/: Changes due to new structure.
1195 :    
1196 : feinerer 50 * NAMESPACE: Corrected namespace to reflect new structure.
1197 :    
1198 :     * R/termdocmatrix.R: Adapted for new naming scheme.
1199 :    
1200 : feinerer 49 2006-08-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1201 :    
1202 :     * R/textdoccol.R: Adapted code for new class structure. Wrote
1203 :     several transform and filter functions operating on text document
1204 :     collections (alias text document databases).
1205 :    
1206 :     * R/aobjects.R: Adapted class structure with inheritance,
1207 : feinerer 1344 repositories and additional metadata. Loading files on demand is
1208 : feinerer 49 now possible.
1209 :    
1210 : feinerer 48 2006-07-13 Ingo Feinerer <h0125130@wu-wien.ac.at>
1211 :    
1212 :     * R/: Some cosmetic cleanups.
1213 :    
1214 :     * inst/: Removed vignette on clustering. That and much more is now
1215 :     described in the JSS paper on text mining. Based upon that
1216 :     article an elaborated vignette will be incorporated in the future.
1217 :    
1218 : feinerer 42 2006-07-01 Ingo Feinerer <h0125130@wu-wien.ac.at>
1219 :    
1220 :     * R/: Updated generic S4 methods to comply with signature changes
1221 :     in newer versions of R (> 2.3)
1222 :    
1223 : feinerer 41 2006-03-12 Ingo Feinerer <h0125130@wu-wien.ac.at>
1224 :    
1225 :     * ext/R/importRIS.R: Automatic RIS import is now possible.
1226 :    
1227 : feinerer 40 2006-02-14 Ingo Feinerer <h0125130@wu-wien.ac.at>
1228 :    
1229 :     * R/textdoccol.R: Added RIS HTML input format.
1230 :    
1231 : feinerer 39 2006-01-21 Ingo Feinerer <h0125130@wu-wien.ac.at>
1232 :    
1233 :     * R/textdoccol.R: Removed bug that caused invalid text document
1234 :     collections when handling many input files.
1235 :    
1236 : feinerer 36 2006-01-11 Ingo Feinerer <h0125130@wu-wien.ac.at>
1237 :    
1238 : feinerer 37 * R/textdoccol.R: Restructured and extended file import
1239 :     mechanism.
1240 :    
1241 : feinerer 36 * inst/doc/clustering.Rnw: Adapted vignette for use with
1242 :     ReutNews.rda
1243 :    
1244 :     * man/ReutNews.Rd: Documentation for ReutNews.rda
1245 :    
1246 :     * data/ReutNews.rda: A tiny Reuters21578 example data set.
1247 :    
1248 : feinerer 34 2005-12-22 Ingo Feinerer <h0125130@wu-wien.ac.at>
1249 :    
1250 :     * inst/doc/clustering.Rnw: Wrote a small vignette to present the
1251 :     clustering facilities of this package.
1252 :    
1253 : feinerer 33 2005-12-15 Ingo Feinerer <h0125130@wu-wien.ac.at>
1254 :    
1255 :     * R/aobjects.R: Changed package document structure to avoid class
1256 :     dependency problems.
1257 :    
1258 : feinerer 28 2005-12-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1259 :    
1260 : feinerer 799 * Wrote a script for the ModLewis Split for the Reuters-21578 XML
1261 : feinerer 29 data set.
1262 :    
1263 : feinerer 799 * Finished documentation and reordered directory structure. Now "R
1264 : feinerer 28 CMD check textmin" works without errors.
1265 :    
1266 : feinerer 27 2005-12-04 Ingo Feinerer <h0125130@wu-wien.ac.at>
1267 :    
1268 :     * src/: Various splits can now be easily created for the
1269 :     Reuters21578 data set.
1270 :    
1271 : feinerer 26 2005-12-03 Ingo Feinerer <h0125130@wu-wien.ac.at>
1272 :    
1273 : feinerer 799 * Updated documentation
1274 : feinerer 26
1275 : feinerer 25 2005-11-30 Ingo Feinerer <h0125130@wu-wien.ac.at>
1276 :    
1277 : feinerer 799 * Wrote R documentation for some classes and methods.
1278 : feinerer 25
1279 : feinerer 21 2005-11-19 Ingo Feinerer <h0125130@wu-wien.ac.at>
1280 :    
1281 : feinerer 22 * R/textdoccol.R: Constructor of textdoccol allows import of CSV
1282 :     files. See the questionnaire data/Umfrage.csv for such an example.
1283 : feinerer 23 We are now able to import files in Reuters-21578 XML format.
1284 : feinerer 22
1285 : feinerer 799 * Changed class interfaces in various files. Weighting of the text
1286 : feinerer 21 matrix is now possible.
1287 :    
1288 : feinerer 20 2005-11-08 Ingo Feinerer <h0125130@wu-wien.ac.at>
1289 :    
1290 :     * R/textdoccol.R: One can build term-document matrices if
1291 :     nessecary (with buildTDM(...)) and fill the field tdm from a text
1292 :     document collection with it.
1293 :    
1294 :     * R/textmatrix.R: Wrote S4 class for term-document matrices.
1295 :    
1296 : feinerer 19 2005-11-06 Ingo Feinerer <h0125130@wu-wien.ac.at>
1297 :    
1298 :     * R/textdoccol.R: We now can read in a whole XML file with several
1299 :     news items.
1300 :    
1301 : feinerer 17 2005-11-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1302 :    
1303 :     * R/textdoccol.R: Set up an S4 class for a collection of text
1304 :     documents. A first attempt to read in XML input (like the RCV1
1305 :     set) was made.
1306 :    
1307 :     * R/textdocument.R: Set up an S4 class for text documents. Wrote
1308 :     some accessor functions.
1309 :    
1310 :     * data/newsitem.xml: Added this XML file for testing purposes. It
1311 :     contains a single news item from the Reuters Corpus Volume 1
1312 :     (RCV1) XML set.
1313 :    
1314 : feinerer 16 2005-10-07 Ingo Feinerer <h0125130@wu-wien.ac.at>
1315 :    
1316 :     * R/textmatrix.R (textmatrix): Removed the transpose of the original
1317 :     textmatrix as k-means clustering provided by R (kmeans) now works on
1318 :     this textmatrix. The result is a k-means text clustering with a
1319 :     similarity measure based upon word frequences.
1320 :    
1321 :     2005-10-05 Ingo Feinerer <h0125130@wu-wien.ac.at>
1322 :    
1323 :     * R/textmatrix.R: Adapted the preprocessing code from the R
1324 :     package "lsa" written by Fridolin Wild to build a document text matrix.
1325 :    
1326 :     2005-10-02 Ingo Feinerer <h0125130@wu-wien.ac.at>
1327 :    
1328 : feinerer 799 * Set up the R Text Mining Package infrastructure.

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